Hot rolled Reinforcing Steel rebar 6-12m
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 m.t.
- Supply Capability:
- 17497 m.t./month
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Specification
Rebar has ridges that bind it mechanically to the concrete with friction, it can still be pulled out of the concrete
under high stresses, an occurrence that often precedes a larger-scale collapse of the structure. To prevent such
a failure, rebar is either deeply embedded into adjacent structural members, or bent and hooked at the ends to lock
it around the concrete and other rebars. This first approach increases the friction locking the bar into place while the
second makes use of the high compressive strength of concrete.
Product Description :
Chemical composition (%): | Steel | C | Si | Mn | P | S | Ceq | ||||
HRB335 |
0.25 |
0.80 |
1.60 |
0.045 |
0.045 | 0.52 | |||||
HRB400 | 0.54 | ||||||||||
HRB500 | 0.55 | ||||||||||
Mechanical properties | Steel | Rel/ MPa | Rm/ MPa | A/ % | Agt/ % | ||||||
≥ | |||||||||||
HRB335 | 335 | 455 | 17 |
7.5 | |||||||
HRB400 | 400 | 540 | 16 | ||||||||
HRB500 | 500 | 630 | 15 | ||||||||
Package: | Standard export packing or as customer's request | ||||||||||
Application: | Construction, building, bridge, road. ect | ||||||||||
Payment terms | 1).100% irrevocable L/C at sight. | ||||||||||
Delivery time | 15-30 days after receipt of L/C or deposit by T/T | ||||||||||
Features
1、Pure steel quality, stable chemical contents, small tolerance.
2、Constant Quality, good drawing performance.
3、High dimension accuracy degree, accuracy degree of Level C up to 80%, smooth surface, less scale, easy to be pickled.
4、Automatic bundling with 4 lines by Machine in tidy and good looks
5、Big high quality percentage, small coil percentage, and heavy coil weight for Hard Coil.
6、High sorbitizing percentage.
Packing:
In bundles, each bundle weight 3.5 tons. Load by container or by bulk verssel.
FAQ:
1.Q: What's your MOQ(minimum order quantity)?
A: One full container, mixed acceptable .
2. Q: What's your packing methods?
A: Packed in bundle or bulk ..
3. Q: How can I buy CNBM products in my country?
A:Please send us an inquiry or email ,we will reply to you if there is distributor in your country
4. Q: Can we visit your factory?
A: Warmly welcome. Once we have your schedule, we will arrange the professional sales team to follow up your case.
5. Q: How long does it take to get the product if i place an order?
A:With the process of your requirements,we will pack and deliver in 3-7 days. If it is by sea shipment,it will take 15-45 days depending on different locations
- Q: Are there any environmental concerns associated with steel rebars?
- Steel rebars have various environmental concerns associated with them. One of the main worries is the production process, which involves extracting and processing iron ore. This process is energy-intensive and can contribute to greenhouse gas emissions and air pollution. Moreover, mining for iron ore can cause habitat destruction and displace wildlife. Another environmental concern is the potential corrosion of steel rebars over time, especially in marine and coastal environments. Corrosion can result in structural degradation, leading to the need for replacement and increased resource and energy consumption. Furthermore, the disposal of steel rebars at the end of their lifespan can also create environmental challenges. If not managed properly, steel rebars may end up in landfills, occupying valuable space and potentially releasing harmful substances into the environment. Nevertheless, it is important to highlight that steel rebars are often recycled, which helps alleviate some of these environmental concerns. Recycling steel rebars reduces the demand for new production, conserves natural resources, and decreases energy consumption and greenhouse gas emissions. Additionally, the use of recycled steel rebars helps prevent the disposal of these materials in landfills. In conclusion, while steel rebars have environmental concerns, proper management and recycling practices can minimize their impact on the environment.
- Q: Are there any limitations on using steel rebars in cold climates?
- Yes, there are limitations on using steel rebars in cold climates. The main limitation is the potential for the steel to become brittle and lose its strength in extremely cold temperatures. This can result in reduced durability and structural integrity of the reinforced concrete. To overcome this limitation, additional measures such as using low-temperature resistant steel or providing proper insulation and heating during construction may be necessary.
- Q: Can steel rebars be used in structures with high resistance to moisture?
- Yes, steel rebars can be used in structures with high resistance to moisture. Steel rebars are commonly used in reinforced concrete structures, including those that are exposed to moisture such as bridges, marine structures, and underground structures. However, it is important to use properly coated or corrosion-resistant steel rebars, and ensure proper concrete cover and waterproofing measures are implemented to protect against the potential corrosion caused by moisture.
- Q: What is the difference between the actual weight and the actual weight of the steel thread?
- The actual weight is weighed and weight is calculated according to the theory of diameter *0.00617*M* diameter * * the number of root number general weight were weighed weight greater than you look at this with the giant is even large or small factory of some difference.
- Q: What is the typical yield-to-ultimate strength ratio of steel rebars?
- The typical yield-to-ultimate strength ratio of steel rebars is approximately 0.85 to 0.95.
- Q: Can steel rebars be used in marine construction?
- Yes, steel rebars can be used in marine construction. However, it is important to use corrosion-resistant steel rebars or apply protective coatings to prevent corrosion caused by exposure to saltwater and other harsh marine environments.
- Q: Can steel rebars be used in offshore oil rig construction?
- Indeed, offshore oil rig construction can make use of steel rebars. These rebars are widely employed in the construction field, including the creation of offshore structures like oil rigs. By reinforcing concrete structures, steel rebars guarantee the solidity and robustness of the overall construction. In the context of offshore oil rig construction, it is customary to embed steel rebars within concrete foundations, columns, and other structural components to bolster their resistance against external forces such as wind, waves, and seismic activity. Through the incorporation of steel rebars, the durability and safety of offshore oil rigs are effectively ensured, rendering them fitting for the challenging conditions encountered in offshore environments.
- Q: Can steel rebars be used in structures with limited construction permits?
- No, steel rebars cannot be used in structures with limited construction permits. The use of steel rebars in construction typically requires proper permits and approvals due to safety and structural considerations.
- Q: What is the impact of steel rebars on the construction timeline?
- Steel rebars have a significant impact on the construction timeline. Rebars are essential components in reinforced concrete structures, providing strength and durability to the overall construction. Their proper installation and integration into the concrete elements are crucial for ensuring the structural integrity of the building. Firstly, the availability and timely delivery of steel rebars affect the construction timeline. If there are delays in the procurement or delivery of rebars, it can cause a ripple effect on the entire project schedule. Construction activities that require the presence of rebars, such as formwork, concrete pouring, and curing, will be postponed or slowed down, resulting in a potential delay in the overall construction timeline. Secondly, the installation of rebars is a meticulous and time-consuming process. Construction teams need to accurately place and secure the rebars according to the design specifications and engineering drawings. This process involves cutting, bending, and tying rebars to create the required reinforced structures. Any errors or rework required during this phase can lead to additional time being spent, potentially causing delays in subsequent construction activities. Moreover, the coordination between different construction trades is crucial when working with rebars. For instance, the electrical and plumbing systems need to be properly integrated with the rebars before the concrete is poured. Any miscommunication or lack of coordination can lead to conflicts and rework, resulting in delays in the construction timeline. Additionally, the quality of rebars plays a vital role in the construction timeline. Poor quality or defective rebars can lead to safety concerns and potential structural issues. In such cases, the construction timeline may be impacted as remedial actions, such as removing and replacing the faulty rebars, need to be taken, causing delays and additional costs. In summary, steel rebars have a significant impact on the construction timeline. Their availability, timely delivery, accurate installation, coordination with other trades, and quality are all factors that can influence the overall progress of a construction project. Proper planning, communication, and monitoring are crucial to ensure that rebars are effectively incorporated into the construction process, minimizing any potential delays and keeping the project on schedule.
- Q: How do steel rebars prevent concrete structures from spalling?
- Steel rebars prevent concrete structures from spalling by providing reinforcement and increasing the overall strength of the concrete. Spalling refers to the cracking and breaking off of the concrete surface, usually due to the expansion of internal pressure from various external factors such as temperature changes, moisture, or structural loads. When steel rebars are embedded within the concrete, they act as a support system that helps distribute the applied loads more evenly throughout the structure. This reinforcement prevents localized stress concentrations, which can lead to spalling, by absorbing and dissipating the load. By reinforcing the concrete, rebars enhance its tensile strength and improve its ability to withstand external forces. Moreover, steel rebars also help to control the formation of cracks in the concrete. As concrete is a brittle material with low tensile strength, it is prone to cracking under stress. However, the presence of rebars inhibits the propagation of cracks by bridging them and transferring the stress to the surrounding concrete. This prevents the cracks from spreading and ultimately leads to a more durable and resilient structure. Additionally, steel rebars provide protection against corrosion. Concrete is naturally alkaline, which creates a protective layer on the steel surface, preventing it from rusting. This alkaline environment acts as a barrier against corrosion, ensuring the rebars maintain their structural integrity over time. By avoiding corrosion, the rebars can continue to provide reinforcement and prevent spalling in the concrete structure. In summary, steel rebars play a crucial role in preventing spalling in concrete structures by providing reinforcement, improving tensile strength, controlling crack formation, and protecting against corrosion. By enhancing the overall stability and durability of the concrete, rebars ensure that the structure can withstand various external pressures and maintain its integrity for an extended period.
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Hot rolled Reinforcing Steel rebar 6-12m
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 m.t.
- Supply Capability:
- 17497 m.t./month
OKorder Service Pledge
OKorder Financial Service
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